Sioux County, IA
The federal environmental record for Sioux County (population 36,246): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
2
Superfund NPL sites
2
federal cleanup sites
0
PFAS-detecting water systems
11
TRI facilities
0
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Farmers' Mutual Cooperative | Hospers | deleted | 08/30/1990 |
| Vogel Paint & Wax Co. | Orange City | on the NPL | 06/10/1986 |
Drinking water: PFAS testing
No public water system serving Sioux reported a PFAS detection in the UCMR5 national testing round. Systems serving under 3,300 people were only sampled in part, so absence from this table is not proof of absence in the water.
Facilities reporting toxic releases (2024)
11 facilities in Sioux filed TRI reports for 2024, totalling 163k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| ROSENBOON MACHINE & TOOL INC | SHELDON | Cobalt And Cobalt Compounds | 78k lb |
| PERDUE FOODS LLC - SIOUX PREME PACKING CO. CENTER PLANT | SIOUX CENTER | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Hydrogen sulfide | 54k lb |
| PELLA CORP SIOUX CENTER OPERATIONS | SIOUX CENTER | Certain glycol ethers | 18k lb |
| DIAMOND VOGEL INC. | ORANGE CITY | Xylene (mixed isomers), Methanol | 6k lb |
| SIOUXLAND ENERGY COOPERATIVE | SIOUX CENTER | Acetaldehyde, n-Hexane | 5k lb |
| AGROPUR INC | HULL | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 2k lb |
| VALLEY PLATING INC. | ROCK VALLEY | Zinc compounds | 245 lb |
| GROSCHOPP INC. | SIOUX CENTER | Copper | 15 lb |
| GCC ALLIANCE CONCRETE INC-SIOUX CENTER | SIOUX CENTER | - | 0 lb |
| GCC-ORANGE CITY | ORANGE CITY | - | 0 lb |
| GCC-SIOUX CENTER | SIOUX CENTER | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 140 tank facilities in Sioux: 114 tanks in service and 321 closed. 61 fuel releases are on record, of which 0 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Sioux as Zone 1, the highest predicted indoor radon levels (over 4 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Sioux, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- FARMERS' MUTUAL COOPERATIVEHOSPERS
- VOGEL PAINT & WAX CO.MAURICE